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Finding the Fourth Proportional to 544,601.80, 816,902.70 and 308,405.80

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Solution

The fourth proportional to 544,601.80, 816,902.70 and 308,405.80 is: 462,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,601.80 : 816,902.70 = 308,405.80 : x
  2. Step 2: Convert to fraction form
    544,601.80/816,902.70 = 308,405.80/x
  3. Step 3: Cross multiply
    544,601.80x = 816,902.70 × 308,405.80
  4. Step 4: Simplify right side
    544,601.80x = 251,937,530,715.66
  5. Step 5: Solve for x
    x = 251,937,530,715.66/544,601.80
  6. Step 6: Final answer
    x = 462,608.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.